package io;

import java.io.FileInputStream;
import java.io.InputStreamReader;

public class ISRDemo {
    public static void main(String[] args) throws Exception {
        FileInputStream fis = new FileInputStream("osw.txt");
        InputStreamReader isr = new InputStreamReader(fis);

        int d;
        while ((d=isr.read())!=-1){
            System.out.print((char) d);
        }

        isr.close();


    }
}
